/*********************************************************************
 * Copyright (C) 2002 Andrew Khan
 * <p>
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * <p>
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * <p>
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 ***************************************************************************/

package jxl.write.biff;

import jxl.biff.IntegerHelper;
import jxl.biff.Type;
import jxl.biff.WritableRecordData;

/**
 * Stores the current selection
 */
class SelectionRecord extends WritableRecordData {
    /**
     * The pane type
     */
    private PaneType pane;

    /**
     * The top left column in this pane
     */
    private int column;

    /**
     * The top left row  in this pane
     */
    private int row;

    // Enumeration for the pane type
    private static class PaneType {
        int val;

        PaneType(int v) {
            val = v;
        }
    }

    // The pane types
    public final static PaneType lowerRight = new PaneType(0);
    public final static PaneType upperRight = new PaneType(1);
    public final static PaneType lowerLeft = new PaneType(2);
    public final static PaneType upperLeft = new PaneType(3);

    /**
     * Constructor
     */
    public SelectionRecord(PaneType pt, int col, int r) {
        super(Type.SELECTION);
        column = col;
        row = r;
        pane = pt;
    }

    /**
     * Gets the binary data
     *
     * @return the binary data
     */
    public byte[] getData() {
        // hard code the data in for now
        byte[] data = new byte[15];

        data[0] = (byte) pane.val;
        IntegerHelper.getTwoBytes(row, data, 1);
        IntegerHelper.getTwoBytes(column, data, 3);

        data[7] = (byte) 0x01;

        IntegerHelper.getTwoBytes(row, data, 9);
        IntegerHelper.getTwoBytes(row, data, 11);
        data[13] = (byte) column;
        data[14] = (byte) column;

        return data;
    }
}
